Home / 80,474,032.30-120,711,048.45-29,357,718.70

Finding the Fourth Proportional to 80,474,032.30, 120,711,048.45 and 29,357,718.70

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Solution

The fourth proportional to 80,474,032.30, 120,711,048.45 and 29,357,718.70 is: 44,036,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,032.30 : 120,711,048.45 = 29,357,718.70 : x
  2. Step 2: Convert to fraction form
    80,474,032.30/120,711,048.45 = 29,357,718.70/x
  3. Step 3: Cross multiply
    80,474,032.30x = 120,711,048.45 × 29,357,718.70
  4. Step 4: Simplify right side
    80,474,032.30x = 3,543,801,004,377,171
  5. Step 5: Solve for x
    x = 3,543,801,004,377,171/80,474,032.30
  6. Step 6: Final answer
    x = 44,036,578.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.